no reviews for this product. Login to place a review.

Prestone, 11 OZ, Radiator Stop Leak, Unique Combination Of Natural & Synthetic Components Provides The Ability To Seal Leaks Up To 0.016" x 0.5", What Makes This Possible Is The Size, Strength, & Durability Afforded By Fibrous Particles, The Same Materials In Bulletproof Vests, Seals Even Large Leaks Without Interfering With The Flow Through The Radiator & Heater Core Tubes, Boosts Corrosion Inhibitors To Protect Against Pitting & Corrosion, Which Cause Radiator Leaks.